Overman, Henry G. and Winters, L. Alan
(2004)
The geography of UK international trade.
CEPDP,
606.
Centre for Economic Performance, London School of Economics and Political Science, London, UK.
ISBN 0753017075

Ioannides, Yannis and Overman, Henry G.
(2000)
Spatial evolution of the US urban system.
CEPDP,
482.
Centre for Economic Performance, London School of Economics and Political Science, London, UK.
ISBN 0753014262